#36 new
ru_ghetto (at rubyghetto)

Validate With Method not attaching error to optional field

Reported by ru_ghetto (at rubyghetto) | August 2nd, 2009 @ 01:54 PM

Given a model with the validation below, a produced error will be attached to the hash key :validate_username_unique instead of to :username.

validates_with_method :username, :validate_username_unique

def validate_username_unique

if new_record? || changed?(:username)
  if self.class.by_username( :key => self.username, :limit => 1).blank?
    return true
    return [false, "Username has already been taken"] 
  return true


# note: changed?(field) is a method added to the class, that is tested and works

Here is what the error inspection looks like:

<CouchRest::Validation::ValidationErrors:0x23a2e18 @errors={:validate_username_unique=>["Username has already been taken"]}>

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"CouchDB, close to the metal." <a href="http://github.com/jchris/couchrest/tree/master">CouchRest</a> is a RESTful layer for accessing CouchDB, based off CouchDB's included Javascript reference client. CouchRest also includes helpers for running large queries etc. There is also a base class for ActiveRecord / Datamapper style ORM, called CouchRest::Model.

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